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First Look: 2019 GMC Sierra 1500 AT4

Posted in News on March 26, 2018
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Photographers: Courtesy of GMC

General Motors has been leading us on a wild ride this year with the cadence with which the company has been releasing information about the pair of new 2019 ½-ton pickups from Chevrolet and GMC. It started with a glimpse of the Silverado at the 2017 State Fair of Texas. Next the Silverado broke cover ahead of the 2018 North American International Auto Show in Detroit. We saw the Sierra Denali and SLT at a special event shortly after and now we’re gathered together again to see the next piece of the puzzle, GMC’s Sierra AT4.

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GMC has dabbled with off-road models in the past, but the introduction of the AT4 proves that they are committed to the dirty lifestyle. All 2019 Sierra AT4s feature a 2-inch suspension lift, are four-wheel drive with a two-speed transfer case, and have a locking rear differential. Ample skidplating abounds, and custom-tuned Rancho monotube shock absorbers are found at all four corners. Off-road traction is compounded by 32-inch Goodyear DuraTrac off-road tires mounted to custom 18-inch wheels. Optional are 20-inch wheels, however, less aggressive all-terrain tires are included with the larger wheels. The AT4 also includes helpful electronics such as hill descent control and GMC’s Traction Select System.

A black chrome finish on the foglight bezels, fender surround, and grille insert add to the truck’s sinister exterior styling. Bumpers, door handles, and grille shell are body-colored, and a pair of vertically mounted front towhooks are painted red. Interior is specific to the AT4 and falls between SLT and Denali grades--meaning it’s upscale and very well appointed, with trim elements that add to the pickup’s youthful attitude. Seats are a unique mix of Jet Black and Kalahari color accents, with AT4 badging embroidered into the headrests. Dark tinted and textured aluminum trim can be found on the steering wheel, center stack, and sill plates.

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Powering the 2019 GMC Sierra AT4 is an updated version of the company’s legendary 5.3L V-8 engine. Optional is a new 6.2L V-8 or a 3.0L I-6 Duramax diesel, both mated to a 10-speed automatic transmission. Details about any of the 2019 powertrains are scarce, so we’ll have to continue waiting for power figures.

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Standard on the AT4 is GMC’s amazing new MultiPro tailgate. The MultiPro tailgate has six different functions and positions, offering second tier loading, load-stop solutions, a bed step, and even a standing workstation. GMC’s CarbonPro pickup box will be available for the AT4 late in the model year.

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If it’s technology you want, you don’t have to miss out just to have off-road performance. Available on the 2019 Sierra AT4 are the segment-first full-color heads-up display and rearview camera mirror. Surround vision 360-degree camera, ProGrade Trailering, Side Blind Zone Alert, adaptive cruise control, and Front Pedestrian Braking are available.

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Overall we’re pretty excited about the 2019 GMC Sierra AT4. After years of dabbling in the space GMC finally has a legitimate off-road-oriented ½-ton. Best of all it’s a no-compromise blend of luxury, technology, and off-road prowess. We’ll have to save final judgment until we get behind the wheel and experience the AT4 for ourselves. And while the Rancho monotube shocks are certainly an improvement, we really wish that this high-end off-roader were equipped with MultiMatic’s DSSV dampers. Despite that one gripe, we love what GMC has done with the AT4 and feel that it is a great addition to its lineup.

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